A comparison between the two ScopeCams from RunCam that are used by airsoft players in this video from Rats Airsoft Portugal. The RunCam Scope Cam 2 4K, an upgraded version of the popular Scope Cam, now offers 4K video at 30fps, 2.7K at 60fps, and 1080p at 50-120fps. It's equipped with wireless monitoring for phones and tablets, and a rechargeable battery pack that can be charged via USB.